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1) A considerable amount of methoxyl radical is probably seen in the hollocellulose of Larix Kaempferi Sarg. by some methods of extraction. However, since it is conceivable that the reagents with the ...alcohoxyl radical fairly affect the content of methoxyl radical in the hollocellulose, it is considered that the quantity of the intrinsic methoxyl radical in the hollocellulose is rather small. 2) It is considered that there is no syringyl radical in the aromatic nucleus of the lignin in the heart wood and the sap wood, and almost all is the guayacyl radical. 3) In regard to the methoxyl radical of Larix Kaempferi Sarg., the most part of the methoxyl radical exists in the lignin and a very limited part in the hollocellulose. There probably does not exist a third unknown component containing the methoxyl radical in the wood meals.続きを見る
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Ⅰ緒言 Ⅱ実験並びに結果 Ⅲ考察 Ⅳ結論 参考文献 Resume
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